package com.visualexpress.messager;

import com.visualexpress.domain.Shipment;
import com.visualexpress.domain.User;

/**
 * 
 * @author LuoHouQi
 *
 */

public interface Messager {
	public void start();
	public void stop();
	public void sendMessage(User user,ShipmentAdapter ems);
	public void addUser(User user);
	public void addListener(MessageListener listener);
	public String getMessagerType();
}
